Though modeled on its predecessor, this sword's power far surpasses that of Ragnarok.
This dark blade is mentioned in legends about the end of the world.
Nagrarok is the weakest sword, providing 1 Attack, but 50% Weapon Defense and has the ability to inflict Toad on hit. It can be poached from Swine, from the Rendezvous mode in the PlayStation Portable version, or caught from level 95 or higher Ninjas. One can be found in Nelveska Temple inside the temple with the Move-Find Item ability.
Knightsword made like Ragnarok, but better.
Nagrarok is the second strongest knightsword, beaten by the The Fallen Angel. It provides 68 Attack, 4 Evade, and 6 Speed, and teaches Nesiaam for 300 AP to the Heritor class. It can only be obtained through the Heritor sidequest.
A sword from the faraway land of Ivalice. It can inflict status ailments on the enemies it strikes. It features in tales from Ivalice about the end of the world, but in what role, not much is known. It is also said that another knight's sword with a very similar name existed somewhere.